Question #19d49
2 Answers
The probability of drawing two marbles is the product of drawing the each of the blue marbles.
The product of drawing the first marble is 4/16 or 1/4
The product of drawing the second marble is 3/15 = 1/5
The overall probability is
Probability of drawing two blue marbles
Explanation:
Red Marbles
Blue Marbles
Green Marbles
Total Marbles
The probability value to be calculated as follows:
Probability of drawing two blue marbles = Number of ways two blue marbles can be taken from 4 blue marbles [number of favourable events] / Number of ways two marbles can be taken from the 16 marbles [Total Number of events]
Number of ways two blue marbles can be taken from 4 blue marbles [number of favourable events]
Number of ways two marbles can be taken from the 16 marbles [Total Number of events]
Probability of drawing two blue marbles